Remove Impl's static initializer.

Review by: knorton


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2251 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/core/client/Impl.java b/user/src/com/google/gwt/core/client/Impl.java
index 8cb8903..aa8a0c0 100644
--- a/user/src/com/google/gwt/core/client/Impl.java
+++ b/user/src/com/google/gwt/core/client/Impl.java
@@ -17,7 +17,7 @@
 
 final class Impl {
 
-  private static int sNextHashId = 0;
+  private static int sNextHashId;
 
   protected static int getNextHashId() {
     return ++sNextHashId;